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Claude Haiku 4.5 vs Step 3.7 Flash
List-price comparison ·Claude Haiku 4.5 details ·Step 3.7 Flash details
For a typical workload (100,000 requests / mo), Step 3.7 Flash is the cheapest — 78% less than the priciest here ($70.00/mo vs $320.00/mo).
| Claude Haiku 4.5 | Step 3.7 Flash | |
|---|---|---|
| Input / 1M tokens | $1.00 | $0.200 |
| Output / 1M tokens | $5.00 | $1.15 |
| Typical request (1,200 in + 400 out) | $0.0032 | $0.0007 |
| Context window | 200k tokens | 262,144 tokens |
| Max output | 64k tokens | 256k tokens |
| Quality score | 70/100 | 58/100 |
| Tier | Flash | Flash |
| Provider | Anthropic | StepFun |
Projected monthly cost
| Requests / mo | Claude Haiku 4.5 | Step 3.7 Flash |
|---|---|---|
| 1,000 | $3.20 | $0.7 |
| 10,000 | $32.00 | $7.00 |
| 100,000 | $320.00 | $70.00 |
Claude Haiku 4.5
Very low latency for high-volume, simple tasks — classification, short summaries, and lightweight chat where response time matters more than depth.
Noticeably weaker on multi-step reasoning and long-context synthesis; pairing with a larger model for escalation is common.
Step 3.7 Flash
Auto-synced from OpenRouter — no editorial write-up yet.
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Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.